[INFO] fetching crate rofl 0.0.1...
[INFO] documenting rofl-0.0.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rofl 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rofl 0.0.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rofl 0.0.1
[INFO] finished tweaking crates.io crate rofl 0.0.1
[INFO] tweaked toml for crates.io crate rofl 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a375f2d637491f96ce79270546b559f794eaa21c693ea32b350ab6682db91502
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a375f2d637491f96ce79270546b559f794eaa21c693ea32b350ab6682db91502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a375f2d637491f96ce79270546b559f794eaa21c693ea32b350ab6682db91502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a375f2d637491f96ce79270546b559f794eaa21c693ea32b350ab6682db91502", kill_on_drop: false }`
[INFO] [stdout] a375f2d637491f96ce79270546b559f794eaa21c693ea32b350ab6682db91502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f08c1685728da7961c313c7cac22316538a40e258e14fa81b8beb13b135f8afc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f08c1685728da7961c313c7cac22316538a40e258e14fa81b8beb13b135f8afc", kill_on_drop: false }`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking rgb v0.5.8
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking css-color-parser v0.1.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking gif-dispose v1.0.1
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]  Documenting rofl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "f08c1685728da7961c313c7cac22316538a40e258e14fa81b8beb13b135f8afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08c1685728da7961c313c7cac22316538a40e258e14fa81b8beb13b135f8afc", kill_on_drop: false }`
[INFO] [stdout] f08c1685728da7961c313c7cac22316538a40e258e14fa81b8beb13b135f8afc